参数资料
型号: CX24118A-12Z
厂商: NXP SEMICONDUCTORS
元件分类: 消费家电
英文描述: Advanced Modulation Digital Satellite Tuner
中文描述: SPECIALTY CONSUMER CIRCUIT, PQCC36
封装: 6 X 6 MM, 0.85 MM HEIGHT, PLASTIC, SOT1092-1, HVQFN-36
文件页数: 30/45页
文件大小: 494K
代理商: CX24118A-12Z
36
XMEGA A1U [DATASHEET]
Atmel-8385H-AVR-ATxmega64A1U-128A1U-Datasheet–AVR–04/2014
17.
TC2 – Time/Counter Type 2
17.1
Features
Eight eight-bit timer/counters
Four Low-byte timer/counters
Four High-byte timer/counters
Up to eight compare channels in each timer/counter 2
Four compare channels for the low-byte timer/counter
Four compare channels for the high-byte timer/counter
Waveform generation
Single slope pulse width modulation
Timer underflow interrupts/events
One compare match interrupt/event per compare channel for the low-byte timer/counter
Can be used with the event system for count control
Can be used to trigger DMA transactions
17.2
Overview
There are four Timer/counter 2. These are realized when a Timer/counter 0 is set in split mode. It is then a system of two
eight-bit timer/counters, each with four compare channels. This results in eight configurable pulse width modulation
(PWM) channels with individually controlled duty cycles, and is intended for applications that require a high number of
PWM channels.
The two eight-bit timer/counters in this system are referred to as the low-byte timer/counter and high-byte timer/counter,
respectively. The difference between them is that only the low-byte timer/counter can be used to generate compare
match interrupts, events and DMA triggers.
The two eight-bit timer/counters have a shared clock source and separate period and compare settings. They can be
clocked and timed from the peripheral clock, with optional prescaling, or from the event system. The counters are always
counting down.
PORTC, PORTD, PORTE and PORTF each has one Timer/Counter 2. Notation of these are TCC2 (Time/Counter C2),
TCD2, TCE2 and TCF2, respectively.
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